2019年2月23日
Integer to Roman
摘要： 题目： Given an integer, convert it to a roman numeral.Input is guaranteed to be within the range from 1 to 3999 解答： 阅读全文
posted @ 2019-02-23 15:49 林木声 阅读(239) 评论(0) 推荐(0)
Spiral Matrix
摘要： 题目： Given a matrix of m ✕ n elements (m rows, n columns), return all elements of the matrix in spiral order.For example, given the following matrix:[[ 阅读全文
posted @ 2019-02-23 15:14 林木声 阅读(102) 评论(0) 推荐(0)
Binary Tree Maximum Path Sum
摘要： 题目： Given a binary tree, find the maximum path sum.The path may start and end at any node in the tree.For example, given the below binary tree,1/ \2 4 阅读全文
posted @ 2019-02-23 14:56 林木声 阅读(103) 评论(0) 推荐(0)